<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="题目" prop="answerTitle">
        <el-input
          v-model="queryParams.answerTitle"
          placeholder="请输入题目"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <!-- <el-form-item label="问题答案选项，逗号隔开" prop="answerSelect">
        <el-input
          v-model="queryParams.answerSelect"
          placeholder="请输入问题答案选项，逗号隔开"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item> -->
      <!-- <el-form-item label="正确答案解析" prop="answerResult">
        <el-input
          v-model="queryParams.answerResult"
          placeholder="请输入正确答案解析"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item> -->
      <el-form-item>
        <el-button type="cyan" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['admin:answer:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['admin:answer:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['admin:answer:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['admin:answer:export']"
        >导出</el-button>
      </el-col>
	  <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="answerList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <!-- <el-table-column label="${comment}" align="center" prop="id" /> -->
      <el-table-column label="题目" align="center" prop="answerTitle" />
      <el-table-column         :show-overflow-tooltip="true" label="正确答案解析" align="center" prop="answerResult" />
      <el-table-column label="类型" align="center" prop="answerType" >
                  <template slot-scope="scope">
          <span>{{ scope.row.answerType == 1 ? '单选' :'多选' }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['admin:answer:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['admin:answer:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改题库对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="1000px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-form-item label="题目" prop="answerTitle">
          <el-input v-model="form.answerTitle" placeholder="请输入题目" />
        </el-form-item>

        <!-- <el-form-item label="问题答案选项，逗号隔开" prop="answerSelect">
          <el-input v-model="form.answerSelect" placeholder="请输入问题答案选项，逗号隔开" />
        </el-form-item> -->
        <el-form-item label="正确答案解析" prop="answerResult">
          <el-input v-model="form.answerResult"  type="textarea"
  :rows="2" placeholder="请输入正确答案解析" />
        </el-form-item>
       <el-form-item label="题类型" prop="answerType">
          <el-radio v-model="form.answerType" :label="1">单选</el-radio>
  <el-radio v-model="form.answerType" :label="2">多选</el-radio>
        </el-form-item>

     <el-form-item label="题库选项">
          <el-button size="mini" round type="success" @click="addDomain">新增题库</el-button>
          <div style="padding-top:30px"  v-for="(domain,index) in form.tbAnswerDetailList" :key="domain.key">

<!--            <el-form-item label="答案解析" :prop="'tbAnswerDetailList.' + index + '.resultTrue'" :rules="[-->
<!--                  {required: true, message: '答案解析不能为空', trigger: 'blur'}-->

<!--            ]">-->
<!--              <el-input   type="text"-->
<!--                          :rows="2" v-model="domain.resultTrue" >-->

<!--              </el-input>-->
<!--            </el-form-item>-->

            <el-form-item label="选项名称" :prop="'tbAnswerDetailList.' + index + '.selectName'" :rules="[
                  {required: true, message: '选项名称不能为空', trigger: 'blur'},
                  {pattern: '^[A-Z]+$', message: '选项名称必须是大写的A-Z字符', trigger: 'blur'}
            ]">
              <el-input   type="text"
                          :rows="2" v-model="domain.selectName" >
                <template slot="prepend">A | B | C</template>

              </el-input>
            </el-form-item>

            <el-form-item label="选项内容" :prop="'tbAnswerDetailList.' + index + '.detailContent'" :rules="[
                  {required: true, message: '选项内容不能为空', trigger: 'blur'}
            ]">
              <el-input   type="textarea"
  :rows="2" v-model="domain.detailContent" />
            </el-form-item>
            <el-form-item style="padding-top:15px" label="是否答案" :prop="'tbAnswerDetailList.' + index + '.isExactness'" :rules="[
                  {required: true, message: '是否答案不能为空', trigger: 'blur'}
            ]">
                       <el-radio v-model="domain.isExactness" :label="1">是</el-radio>
  <el-radio v-model="domain.isExactness" :label="2">不是</el-radio>
            </el-form-item>

            <el-button type="danger" v-if="form.tbAnswerDetailList.length != 1" @click.prevent="removeDomain(domain)">删除
            </el-button>
          </div>
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listAnswer, getAnswer, delAnswer, addAnswer, updateAnswer, exportAnswer } from "@/api/admin/answer";

export default {
  name: "Answer",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 题库表格数据
      answerList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        answerTitle: null,

        answerSelect: null,

        answerResult: null,

        answerType: null,

      },
      // 表单参数
      form: {
        tbAnswerDetailList:[],
      },
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
        removeDomain(item) {
      var index = this.form.tbAnswerDetailList.indexOf(item)
      if (index !== -1) {
        this.form.tbAnswerDetailList.splice(index, 1)
      }
    },
    addDomain() {
      this.form.tbAnswerDetailList.push({
        value: '',
        key: Date.now()
      });
    },
    /** 查询题库列表 */
    getList() {
      this.loading = true;
      listAnswer(this.queryParams).then(response => {
        this.answerList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,

        answerTitle: null,

        answerSelect: null,

        answerResult: null,

        createTime: null,

        createBy: null,

        answerType: null,
                tbAnswerDetailList:[],


      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加题库";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getAnswer(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改题库";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateAnswer(this.form).then(response => {
              this.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addAnswer(this.form).then(response => {
              this.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }else{
          this.msgError('子题库必须是 大写的 A-Z才可');
          return false;
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$confirm('是否确认删除题库编号为"' + ids + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delAnswer(ids);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        })
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm('是否确认导出所有题库数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return exportAnswer(queryParams);
        }).then(response => {
          this.download(response.msg);
        })
    }
  }
};
</script>
